Agence France-Presse: France is to abandon its planned carbon fuel tax which aimed to curb global warming, members of parliament quoted the prime minister as saying on Tuesday. A tax would have to be introduced at a European level in order “not to harm the competitiveness of French companies,” Francois Fillon was quoted as saying by several MPs of the governing UMP party who attended a meeting with him. The carbon tax would have made France the first big economy to tax harmful carbon emissions, …